multiple marriages may be on the line and a city that thought it couldn't be shocked, that would be washington, is near speechless over the petraeus affair. i said near speechless. lawmakers with oversight duties over national security, they are not speechless. they want to know why they didn't know the fbi had discovered the director of the cia was having a fling with his married biographer. he's on the left, she's on the right. and today we know the number two republican in the house, majority leader eric cantor, was tipped off to the matter late last month. but officially the white house itself was not told until last tuesday. election day. after the case had been closed. it's now been almost 72 hours since the whole world learned of the downfall of the rock star four-star general turned he is pea naj chief. the affair itself with a hard driving west point grad named paula broadwell, the fbi probe of it which began with menacing e-mails sent by broadwell to yet another woman with whom petraeus is close. and the fallout, congressional outrage over, a, being kept in the dark and, b, not being